FR2676552B1 - Dispositif de mise au point automatique. - Google Patents

Dispositif de mise au point automatique.

Info

Publication number
FR2676552B1
FR2676552B1 FR9205919A FR9205919A FR2676552B1 FR 2676552 B1 FR2676552 B1 FR 2676552B1 FR 9205919 A FR9205919 A FR 9205919A FR 9205919 A FR9205919 A FR 9205919A FR 2676552 B1 FR2676552 B1 FR 2676552B1
Authority
FR
France
Prior art keywords
automatic focusing
focusing device
automatic
focusing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9205919A
Other languages
English (en)
Other versions
FR2676552A1 (fr
Inventor
Nakata Masahiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP20660591A external-priority patent/JP3140500B2/ja
Priority claimed from JP20660891A external-priority patent/JP3140501B2/ja
Priority claimed from JP20660991A external-priority patent/JP3193404B2/ja
Priority claimed from JP20660691A external-priority patent/JP3222497B2/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to FR9212522A priority Critical patent/FR2684197B1/fr
Priority to FR9212521A priority patent/FR2684196B1/fr
Publication of FR2676552A1 publication Critical patent/FR2676552A1/fr
Application granted granted Critical
Publication of FR2676552B1 publication Critical patent/FR2676552B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
FR9205919A 1991-05-15 1992-05-15 Dispositif de mise au point automatique. Expired - Fee Related FR2676552B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9212522A FR2684197B1 (fr) 1991-05-15 1992-10-20 Dispositif de mise au point automatique.
FR9212521A FR2684196B1 (fr) 1991-05-15 1992-10-20 Dispositif de detection de mise au point.

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP20660591A JP3140500B2 (ja) 1991-05-15 1991-05-15 焦点検出装置
JP20660891A JP3140501B2 (ja) 1991-05-15 1991-05-15 自動焦点調節装置
JP20660991A JP3193404B2 (ja) 1991-05-15 1991-05-15 カメラの自動焦点装置
JP20660691A JP3222497B2 (ja) 1991-05-15 1991-05-15 自動焦点装置
JP20660791 1991-05-15

Publications (2)

Publication Number Publication Date
FR2676552A1 FR2676552A1 (fr) 1992-11-20
FR2676552B1 true FR2676552B1 (fr) 1996-01-12

Family

ID=27529410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9205919A Expired - Fee Related FR2676552B1 (fr) 1991-05-15 1992-05-15 Dispositif de mise au point automatique.

Country Status (4)

Country Link
US (4) US5448329A (fr)
DE (1) DE4216073C2 (fr)
FR (1) FR2676552B1 (fr)
GB (1) GB2255870B (fr)

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GB2255870B (en) * 1991-05-15 1995-11-01 Asahi Optical Co Ltd Automatic focusing apparatus
KR930007231A (ko) * 1991-09-13 1993-04-22 강진구 캠코더의 물체추적장치와 그 방법
JP3206980B2 (ja) * 1992-09-11 2001-09-10 旭光学工業株式会社 自動焦点制御装置
JPH0876003A (ja) * 1994-09-07 1996-03-22 Nikon Corp 自動焦点調節装置
JPH0876004A (ja) * 1994-09-07 1996-03-22 Nikon Corp カメラシステム
JPH08129129A (ja) * 1994-11-02 1996-05-21 Nikon Corp 自動焦点調節装置および自動焦点調節装置を備えたカメ ラ
JP3708991B2 (ja) * 1994-12-28 2005-10-19 ペンタックス株式会社 インナーフォーカスの望遠鏡
JP3891224B2 (ja) * 1995-12-07 2007-03-14 株式会社ニコン 自動合焦装置
US6115553A (en) 1996-09-17 2000-09-05 Asahi Kogaku Kogyo Kabushiki Kaisha Multipoint autofocus system
JP3963568B2 (ja) * 1997-05-28 2007-08-22 オリンパス株式会社 カメラの自動焦点調節装置
JPH11337993A (ja) * 1998-05-26 1999-12-10 Asahi Optical Co Ltd 防振装置
JP4279919B2 (ja) * 1998-09-03 2009-06-17 Ｈｏｙａ株式会社 焦点検出装置
US6753919B1 (en) * 1998-11-25 2004-06-22 Iridian Technologies, Inc. Fast focus assessment system and method for imaging
US6224284B1 (en) 1999-10-12 2001-05-01 Dri Mark Products Incorporated Metallic ink composition for wick type writing instruments
FR2812406B1 (fr) * 2000-07-27 2003-01-17 Cit Alcatel Procede et dispositif pour la mesure de la defocalisation d'un instrument d'optique
JP2003295047A (ja) * 2002-04-05 2003-10-15 Canon Inc 撮像装置および撮像システム
US7522209B2 (en) * 2002-12-26 2009-04-21 Hoya Corporation Automatic focusing apparatus including optical flow device calculation
JP4360851B2 (ja) * 2003-07-02 2009-11-11 株式会社リコー 画像入力装置
US8064647B2 (en) * 2006-03-03 2011-11-22 Honeywell International Inc. System for iris detection tracking and recognition at a distance
US8049812B2 (en) * 2006-03-03 2011-11-01 Honeywell International Inc. Camera with auto focus capability
US8098901B2 (en) 2005-01-26 2012-01-17 Honeywell International Inc. Standoff iris recognition system
US8705808B2 (en) * 2003-09-05 2014-04-22 Honeywell International Inc. Combined face and iris recognition system
US8442276B2 (en) 2006-03-03 2013-05-14 Honeywell International Inc. Invariant radial iris segmentation
US7593550B2 (en) 2005-01-26 2009-09-22 Honeywell International Inc. Distance iris recognition
US8090157B2 (en) 2005-01-26 2012-01-03 Honeywell International Inc. Approaches and apparatus for eye detection in a digital image
US8050463B2 (en) 2005-01-26 2011-11-01 Honeywell International Inc. Iris recognition system having image quality metrics
JP2005321489A (ja) * 2004-05-07 2005-11-17 Ricoh Co Ltd 撮像装置
US7656432B2 (en) * 2005-03-30 2010-02-02 Hoya Corporation Method and apparatus for photographing moving object
GB2430096B (en) * 2005-09-08 2010-06-16 Hewlett Packard Development Co Image data processing method and apparatus
US20100066890A1 (en) * 2005-12-06 2010-03-18 Panasonic Corporation Digital camera
US8223242B2 (en) * 2005-12-06 2012-07-17 Panasonic Corporation Digital camera which switches the displays of images with respect to a plurality of display portions
KR101195696B1 (ko) 2005-12-06 2012-10-29 파나소닉 주식회사 디지털 카메라
JP2007187983A (ja) * 2006-01-16 2007-07-26 Sony Corp 撮像装置、およびレンズ位置調整方法
JP2009529201A (ja) 2006-03-03 2009-08-13 ハネウェル・インターナショナル・インコーポレーテッド 都合のよい符合化システム
WO2008019168A2 (fr) * 2006-03-03 2008-02-14 Honeywell International, Inc. Architecture de système modulaire pour la collecte de données biométriques
US8063889B2 (en) 2007-04-25 2011-11-22 Honeywell International Inc. Biometric data collection system
US20090092283A1 (en) * 2007-10-09 2009-04-09 Honeywell International Inc. Surveillance and monitoring system
US8436907B2 (en) 2008-05-09 2013-05-07 Honeywell International Inc. Heterogeneous video capturing system
US8213782B2 (en) * 2008-08-07 2012-07-03 Honeywell International Inc. Predictive autofocusing system
US8090246B2 (en) 2008-08-08 2012-01-03 Honeywell International Inc. Image acquisition system
US8280119B2 (en) 2008-12-05 2012-10-02 Honeywell International Inc. Iris recognition system using quality metrics
JP5419532B2 (ja) * 2009-04-30 2014-02-19 キヤノン株式会社 自動焦点調整装置
US8472681B2 (en) * 2009-06-15 2013-06-25 Honeywell International Inc. Iris and ocular recognition system using trace transforms
US8630464B2 (en) * 2009-06-15 2014-01-14 Honeywell International Inc. Adaptive iris matching using database indexing
JP5964542B2 (ja) * 2009-07-15 2016-08-03 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー フォーカス制御回路
US8611739B2 (en) * 2009-09-17 2013-12-17 Panasonic Corporation Focus adjusting apparatus and imaging apparatus
JP5869883B2 (ja) * 2010-06-17 2016-02-24 パナソニック株式会社 画像処理装置
US8742887B2 (en) 2010-09-03 2014-06-03 Honeywell International Inc. Biometric visitor check system
CN102331652A (zh) * 2011-09-24 2012-01-25 广东工业大学 一种实时自动对焦方法
JP6241791B2 (ja) 2012-03-15 2017-12-06 パナソニックＩｐマネジメント株式会社 オートフォーカス装置及び撮像装置
JP5896312B2 (ja) 2013-09-17 2016-03-30 株式会社デンソー 燃料ポンプ
JP6942503B2 (ja) 2017-03-28 2021-09-29 キヤノン株式会社 レンズ制御装置及びその制御方法
US10834309B2 (en) * 2017-11-16 2020-11-10 Canon Kabushiki Kaisha Lens control apparatus and control method for tracking moving object

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Publication number Priority date Publication date Assignee Title
JPS5859416A (ja) * 1981-10-06 1983-04-08 Olympus Optical Co Ltd 合焦検出方法
US4537487A (en) * 1983-09-01 1985-08-27 Minolta Camera Kabushiki Kaisha Automatic focus control system with backlash correcting arrangement
JPS60120309A (ja) * 1983-12-02 1985-06-27 Canon Inc 自動焦点調節装置
JPH0736055B2 (ja) * 1984-04-11 1995-04-19 株式会社ニコン 自動焦点調節装置
JPH0766099B2 (ja) * 1985-01-24 1995-07-19 ミノルタ株式会社 自動焦点調節装置
US4860045A (en) * 1985-11-27 1989-08-22 Minolta Camera Kabushiki Kaisha Automatic focusing device
US4969006A (en) * 1986-03-15 1990-11-06 Minolta Camera Kabushiki Kaisha Automatic focus control device for use in a camera system
US4924250A (en) * 1986-03-31 1990-05-08 Minolta Camera Kabushiki Kaisha Automatic focus control device
JP2511409B2 (ja) * 1986-03-31 1996-06-26 ミノルタ株式会社 自動焦点調節装置
US4783677A (en) * 1986-06-21 1988-11-08 Minolta Camera Kabushiki Kaisha Automatic focus control device
JPS6318312A (ja) * 1986-07-10 1988-01-26 Canon Inc 焦点検出装置
JP2540827B2 (ja) * 1986-12-12 1996-10-09 株式会社ニコン 自動焦点調節装置
US4952962A (en) * 1987-01-09 1990-08-28 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing device
US4868592A (en) * 1987-01-09 1989-09-19 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing device
JPH0616132B2 (ja) * 1987-01-12 1994-03-02 キヤノン株式会社 駆動装置を備えた光学機器
JPH0810297B2 (ja) * 1987-07-07 1996-01-31 富士写真フイルム株式会社 位相差検出装置
JP2597961B2 (ja) * 1987-10-21 1997-04-09 キヤノン株式会社 自動焦点調節装置
DE3811530C1 (fr) * 1988-04-06 1989-10-12 Gebr. Schneider Gmbh, 7741 Tennenbronn, De
JP2956703B2 (ja) * 1988-05-06 1999-10-04 ミノルタ株式会社 レンズ駆動装置
EP0347042B1 (fr) * 1988-05-13 1995-01-25 Nikon Corporation Dispositif de mise au point automatique
JP2770316B2 (ja) * 1988-05-13 1998-07-02 ミノルタ株式会社 自動焦点検出装置
JP2751207B2 (ja) * 1988-05-17 1998-05-18 ミノルタ株式会社 カメラ
US5065175A (en) * 1988-09-13 1991-11-12 Asahi Kogaku Kogyo Kabushiki Kaisha Single-lens reflex camera system
DE68928475T2 (de) * 1988-09-14 1998-07-02 Asahi Optical Co Ltd Autofokussystem für eine Kamera
US5157434A (en) * 1988-09-14 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for camera
EP0364137A3 (fr) * 1988-09-29 1991-07-03 Nikon Corporation Dispositif automatique pour détecter la mise au point
DE68926424T2 (de) * 1988-09-29 1997-01-09 Asahi Optical Co Ltd Automatisches Fokussierungssystem für eine Kamera
GB2224126B (en) * 1988-10-18 1993-03-31 Asahi Optical Co Ltd Automatic focusing device
EP0382143B1 (fr) * 1989-02-06 1995-12-06 Canon Kabushiki Kaisha Caméra
JPH07118785B2 (ja) * 1989-10-27 1995-12-18 三菱電機株式会社 コントラスト検出装置およびこれを用いたオートフォーカス装置
US5291235A (en) * 1990-11-29 1994-03-01 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic focusing device
GB2250828B (en) * 1990-11-29 1994-08-17 Asahi Optical Co Ltd Automatic focusing device
GB2255870B (en) * 1991-05-15 1995-11-01 Asahi Optical Co Ltd Automatic focusing apparatus

Also Published As

Publication number Publication date
GB2255870B (en) 1995-11-01
DE4216073C2 (de) 1995-01-26
US5612761A (en) 1997-03-18
DE4216073A1 (de) 1992-11-19
US5664239A (en) 1997-09-02
GB9210487D0 (en) 1992-07-01
US5640225A (en) 1997-06-17
GB2255870A (en) 1992-11-18
FR2676552A1 (fr) 1992-11-20
US5448329A (en) 1995-09-05

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080131